[Docs] no-unused-prop-types: fix syntax errors

Author: mrdulin

CHANGELOG.md

@@ -17,9 +17,11 @@ This change log adheres to standards from [Keep a CHANGELOG](https://keepachange
 ### Changed
 * [readme] remove global usage and eslint version from readme ([#3254][] @aladdin-add)
 * [Refactor] fix linter errors ([#3261][] @golopot)
+* [Docs] [`no-unused-prop-types`]: fix syntax errors ([#3259][] @mrdulin)
 
 [#3261]: https://github.com/yannickcr/eslint-plugin-react/pull/3261
 [#3260]: https://github.com/yannickcr/eslint-plugin-react/pull/3260
+[#3259]: https://github.com/yannickcr/eslint-plugin-react/pull/3259
 [#3254]: https://github.com/yannickcr/eslint-plugin-react/pull/3254
 [#3251]: https://github.com/yannickcr/eslint-plugin-react/pull/3251
 [#3244]: https://github.com/yannickcr/eslint-plugin-react/pull/3244

docs/rules/no-unused-prop-types.md

@@ -15,18 +15,18 @@ class Hello extends React.Component {
   render() {
     return <div>Hello Bob</div>;
   }
-});
+}
 
 Hello.propTypes = {
   name: PropTypes.string
-},
+};
 ```
 
 ```jsx
 type Props = {
-  firstname: string,
-  middlename: string, // middlename is never used by the Hello component
-  lastname: string
+  firstname: string;
+  middlename: string; // middlename is never used by the Hello component
+  lastname: string;
 }
 
 class Hello extends React.Component<Props> {
@@ -62,11 +62,11 @@ class Hello extends React.Component {
   render() {
     return <div>Hello {this.props.name}</div>;
   }
-};
+}
 
-Hello.propTypes: {
+Hello.propTypes = {
   name: PropTypes.string
-},
+};
 ```
 
 ## Rule Options